<%--
  Created by IntelliJ IDEA.
  User: ThinkPad
  Date: 2022/11/21
  Time: 9:34
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<%
    // 程序是在服务器运行，打印是在控制台
    System.out.println("hello!!!");
    out.println("<h3>hahaha</h3>");
%>
<h1>hello-html!!!!</h1>
<%
    String username = "zhangsan";
%>
<h3><%=username%></h3>
</body>
</html>
